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Episcleritis

Contents of this page:

Illustrations

External and internal eye anatomy
External and internal eye anatomy

Definition    Return to top

Episcleritis is irritation and swelling (inflammation) of the episclera, a thin layer of tissue covering the sclera of the eye.

Causes    Return to top

The sclera is made up of of tissue fibers that form the strong white wall of the eye. It is covered by the episclera, a thin layer of tissue that contains many blood vessels that feed the sclera.

Episcleritis is inflammation of the episclera that occurs without an infection. It is a common condition that is usually mild and rarely progresses to scleritis.

The cause is usually unknown, but it may occur with certain diseases, such as:

Symptoms    Return to top

Exams and Tests    Return to top

An eye examination can usually diagnose the disorder. No special tests are usually necessary.

Treatment    Return to top

The condition usually disappears without treatment in 1 - 2 weeks. Treatment with corticosteroid eye drops may relieve the symptoms faster.

Outlook (Prognosis)    Return to top

Episcleritis usually improves without treatment. Treatment may shorten its duration.

Possible Complications    Return to top

When to Contact a Medical Professional    Return to top

Call your health care provider if you have symptoms of episcleritis that last for more than 2 weeks. Get checked again if your pain worsens or you lose vision.

References    Return to top

Goldstein DA, Tessler HH. Episcleritis, Scleritis, and Other Scleral Disorders. In: Yanoff M, Duker JS, Augsburger JJ, Azar DT. Yanoff: Ophthalmology. 2nd ed. Philadelphia, Pa: Mosby; 2004:chap 64.

O'Day DM, Horn JD. The Eye and Rheumatic Disease. In: Harris ED, Budd RC, Genovese MC, Firestein GS, Sargent JS. Harris: Kelley's Textbook of Rheumatology. 7th ed. Philadelphia, Pa: Saunders Elsevier; 2005:chap 44.

Update Date: 7/15/2008

Updated by: Linda Vorvick, MD, Seattle Site Coordinator, Lecturer, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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